Using Gateways with Levelized Compiled Simulation
نویسنده
چکیده
Although Levelized Compiled Code simulation performs well under moderate to high activity conditions, there are many circuits that exhibit extremely low activity rates, either overall, or in certain subcircuits. The techniques presented here allow event-driven behavior to be added to Levelized Compiled Code simulations, with the aim of improving the performance of circuits with very low activity. Two techniques are presented, one which can be applied selectively on a block-by-block basis, and one that can be applied selectively on a gate-by-gate basis. Both concepts are based on the concept of a gateway, or retargetable branch. Performance results are presented for both techniques. USING GATEWAYS WITH LEVELIZED COMPILED SIMULATION Peter M. Maurer Department of Computer Science and Engineering University of South Florida Tampa, FL 33620
منابع مشابه
Lecsim: a Levelized Event Driven Compiled Logic Simulator*
LECSIM is a highly efficient logic simulator which integrates the advantages of event driven interpretive simulation and levelized compiled simulation. Two techniques contribute to the high efficiency. First it employs the zerodelay simulation model with levelized event scheduling to eliminate most unnecessary evaluations. Second, it compiles the central event scheduler into simple local schedu...
متن کاملGateways: a Technique for Adding Event-driven Behavior to Compiled Unit-delay Simulations
The gateway technique is a method for switching segments of code into and out of the instruction stream. When added to the straight-line code generated by a compiled simulator, gateways can be used to enhance the performance of the generated code by switching only those segments of code that actually need to be executed into the instruction stream. The convergence algorithm is an oblivious comp...
متن کاملLevelized compiled code multi-delay logic simulation
Levelized Compiled Code (LCC) multi-delay simulation is an idea whose time has come. Although it is not a new idea, when it was first proposed the hardware and software technology of the time was not capable of meeting the demands of such a simulation technique[1]. The basic technique is to predict the points in time when each gate can change value, and generate simulation code to compute the o...
متن کاملA Compiled-code Simulator with Reduced Edge Evaluation
Two major approaches for the digital design simulation can be classified into event-driven and levelized-code method. The drawback of event-driven simulation is low efficiency while the levelized-code simulation has problems in supporting asynchronous design. Since most digital designs are synchronous digital we implemented a levelizedcode simulator targeting synchronous digital design. Leveliz...
متن کاملOptimization of the Parallel Technique for Compiled Unit-Delay Simulation
The parallel technique of compiled simulation is a purely compiled method for unitdelay simulation that is based on the concepts of levelized compiled simulation and parallel fault simulation. Although the parallel technique provides very rapid simulations with a reasonable amount of generated code, there are several opportunities for optimizing the generated code. This paper presents two optim...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 1996